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Questions and Answers
What is the process of heating a solid material to drive off volatile chemically combined components called?
What is the process of heating a solid material to drive off volatile chemically combined components called?
- Oxidation
- Calcination (correct)
- Polymerization
- Condensation
Which of the following is the chemical formula for gypsum?
Which of the following is the chemical formula for gypsum?
- CaCO3
- CaSO4 · ½ H2O
- CaSO4 · 2H2O (correct)
- Ca(HCO3)2
Which form of calcium sulfate hemihydrate is known as dental plaster?
Which form of calcium sulfate hemihydrate is known as dental plaster?
- Gamma form
- Alpha form
- Delta form
- Beta form (correct)
What is a reproduction of the shape of a structure made in an impression of the surface called?
What is a reproduction of the shape of a structure made in an impression of the surface called?
Which common form of gypsum product is used for high-strength die stone?
Which common form of gypsum product is used for high-strength die stone?
Flashcards
Calcination process
Calcination process
Heating a solid material to remove volatile, chemically bonded components.
Gypsum chemical formula
Gypsum chemical formula
CaSO4 · 2H2O
Dental plaster form
Dental plaster form
Calcium sulfate hemihydrate's beta form.
Cast definition
Cast definition
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High-strength die stone material
High-strength die stone material
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Study Notes
Heating Process
- The process of heating a solid material to drive off volatile chemically combined components is termed calcination.
Gypsum Chemical Formula
- The chemical formula for gypsum is CaSO₄·2H₂O.
Dental Plaster
- The form of calcium sulfate hemihydrate known as dental plaster is commonly referred to as plaster of Paris.
Reproduction of Shape
- A reproduction of the shape of a structure made in an impression of the surface is called a cast.
High-Strength Die Stone
- The common form of gypsum product used for high-strength die stone is designated as dental stone.
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